From 3f1932e927ae070261a8d428d5c5f158c2f525ba Mon Sep 17 00:00:00 2001 From: Anas Nashif Date: Sat, 21 Jul 2012 17:12:39 +0100 Subject: downgrade to 2.8 (GPLv2) Signed-off-by: Anas Nashif --- lib/safe-read.h | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 lib/safe-read.h (limited to 'lib/safe-read.h') diff --git a/lib/safe-read.h b/lib/safe-read.h new file mode 100644 index 0000000..3451955 --- /dev/null +++ b/lib/safe-read.h @@ -0,0 +1,35 @@ +/* An interface to read() that retries after interrupts. + Copyright (C) 2002, 2006 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +#include + +#ifdef __cplusplus +extern "C" { +#endif + + +#define SAFE_READ_ERROR ((size_t) -1) + +/* Read up to COUNT bytes at BUF from descriptor FD, retrying if interrupted. + Return the actual number of bytes read, zero for EOF, or SAFE_READ_ERROR + upon error. */ +extern size_t safe_read (int fd, void *buf, size_t count); + + +#ifdef __cplusplus +} +#endif -- cgit v1.2.3